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2026-08-31 - 17:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Mon Aug 31, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5222216897,8sleep00-21swapper/007:09:400
5013212667,6sleep20-21swapper/207:06:572
4984212373,8sleep30-21swapper/307:06:343
4920212342,8sleep10-21swapper/107:05:441
71942710,1sleep07198-21kthreadcore10:30:200
16722630,5sleep1545199cyclictest10:14:231
63282610,0sleep16323-21ssh11:55:131
188652600,1sleep30-21swapper/312:28:413
165902590,0sleep00-21swapper/008:14:540
108712590,1sleep30-21swapper/311:28:273
290632580,0sleep10-21swapper/111:21:161
312382570,0sleep20-21swapper/212:20:142
157232540,0sleep10-21swapper/110:48:121
145442540,0sleep10-21swapper/111:00:381
1523624844,3sleep30-21swapper/307:44:473
1385824845,2sleep30-21swapper/309:07:523
658724744,2sleep30-21swapper/308:34:013
3032424744,2sleep30-21swapper/307:27:373
2943224643,2sleep30-21swapper/308:53:073
2390423227,3sleep30-21swapper/308:49:513
834622926,2sleep30-21swapper/309:04:173
5052280,0sleep00-21swapper/010:13:260
1736822823,2sleep30-21swapper/311:16:113
545799270,26cyclictest0-21swapper/212:05:452
545199270,26cyclictest0-21swapper/111:16:591
545199270,26cyclictest0-21swapper/109:04:451
545199270,26cyclictest0-21swapper/108:45:311
545199270,26cyclictest0-21swapper/108:38:301
545199270,26cyclictest0-21swapper/107:25:381
1644322723,3sleep30-21swapper/308:13:033
589422614,3sleep30-21swapper/309:33:573
5457992618,7cyclictest0-21swapper/211:23:112
545799260,25cyclictest0-21swapper/211:27:592
545799260,25cyclictest0-21swapper/211:13:442
545199260,25cyclictest0-21swapper/112:16:451
545199260,25cyclictest0-21swapper/111:52:241
545199260,25cyclictest0-21swapper/110:16:281
3182222623,2sleep30-21swapper/307:55:533
2465222623,2sleep30-21swapper/307:22:013
2199122622,3sleep30-21swapper/308:17:073
924422521,3sleep30-21swapper/307:38:343
545799250,24cyclictest0-21swapper/209:49:012
545799250,24cyclictest0-21swapper/209:26:142
545799250,23cyclictest0-21swapper/209:15:122
545199250,24cyclictest0-21swapper/108:34:281
251022519,3sleep30-21swapper/308:56:523
1589622520,3sleep30-21swapper/311:59:173
101722522,2sleep30-21swapper/308:29:523
545799240,23cyclictest0-21swapper/211:30:512
545799240,23cyclictest0-21swapper/210:17:032
545799240,23cyclictest0-21swapper/209:41:152
545799240,17cyclictest0-21swapper/211:46:262
545199247,16cyclictest0-21swapper/112:10:511
545199240,23cyclictest0-21swapper/111:45:551
545199240,23cyclictest0-21swapper/111:41:361
545199240,23cyclictest0-21swapper/110:08:411
545199240,18cyclictest0-21swapper/112:36:191
545199240,18cyclictest0-21swapper/112:25:211
545199240,18cyclictest0-21swapper/109:52:501
545199240,18cyclictest0-21swapper/109:52:501
545199240,18cyclictest0-21swapper/109:45:351
2082822420,3sleep30-21swapper/307:49:123
545799231,21cyclictest0-21swapper/209:21:132
545799230,22cyclictest0-21swapper/212:14:352
545799230,22cyclictest0-21swapper/210:31:002
545799230,22cyclictest0-21swapper/210:21:382
545799230,22cyclictest0-21swapper/210:08:132
545799230,21cyclictest0-21swapper/212:15:232
5451992315,7cyclictest0-21swapper/110:02:481
545199230,22cyclictest0-21swapper/112:32:021
545199230,22cyclictest0-21swapper/112:05:041
545199230,22cyclictest0-21swapper/112:03:531
545199230,22cyclictest0-21swapper/111:12:071
545199230,22cyclictest0-21swapper/110:59:281
545199230,22cyclictest0-21swapper/110:44:191
545199230,22cyclictest0-21swapper/110:37:571
545199230,22cyclictest0-21swapper/110:34:341
545199230,22cyclictest0-21swapper/109:36:321
545199230,22cyclictest0-21swapper/109:22:241
545199230,22cyclictest0-21swapper/107:47:201
545199230,17cyclictest0-21swapper/110:50:311
545199230,17cyclictest0-21swapper/110:25:201
545199230,17cyclictest0-21swapper/109:59:051
544799230,22cyclictest0-21swapper/010:50:370
461522317,3sleep30-21swapper/309:19:503
841722217,2sleep30-21swapper/312:24:243
545799226,15cyclictest0-21swapper/210:59:072
5457992216,6cyclictest0-21swapper/209:10:072
545799220,21cyclictest0-21swapper/212:32:192
545799220,21cyclictest0-21swapper/211:44:322
545799220,21cyclictest0-21swapper/210:49:422
545799220,21cyclictest0-21swapper/210:11:112
545799220,21cyclictest0-21swapper/209:56:312
545799220,21cyclictest0-21swapper/207:35:202
545799220,20cyclictest0-21swapper/211:56:172
545799220,16cyclictest0-21swapper/209:51:472
545799220,16cyclictest0-21swapper/209:51:462
545799220,16cyclictest0-21swapper/209:31:172
5451992215,7cyclictest0-21swapper/111:31:251
545199220,21cyclictest0-21swapper/112:20:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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